Practice problems across 75+ categories
Practice problems frequently asked at Meta • 2900 problems | 652 Easy | 1528 Medium | 703 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1951 | Minimum Sum of Mountain Triplets I | Easy | Array |
| 1952 | Minimum Sum of Mountain Triplets II | Medium | Array |
| 1953 | Minimum Sum of Squared Difference | Medium | ArrayBinary SearchGreedy |
| 1954 | Minimum Sum of Values by Dividing Array | Hard | ArrayBinary SearchDynamic Programming |
| 1955 | Minimum Swaps to Arrange a Binary Grid | Medium | ArrayGreedyMatrix |
| 1956 | Minimum Swaps to Group All 1's Together II | Medium | ArraySliding Window |
| 1957 | Minimum Swaps To Make Sequences Increasing | Hard | ArrayDynamic Programming |
| 1958 | Minimum Swaps to Make Strings Equal | Medium | MathStringGreedy |
| 1959 | Minimum Swaps to Sort by Digit Sum | Medium | ArrayHash TableSorting |
| 1960 | Minimum Threshold for Inversion Pairs Count | Medium | ArrayBinary SearchBinary Indexed Tree |
| 1961 | Minimum Time Difference | Medium | ArrayMathString |
| 1962 | Minimum Time For K Virus Variants to Spread | Hard | ArrayMathBinary Search |
| 1963 | Minimum Time to Break Locks I | Medium | ArrayDynamic ProgrammingBacktracking |
| 1964 | Minimum Time to Break Locks II | Hard | ArrayDepth-First SearchGraph |
| 1965 | Minimum Time to Build Blocks | Hard | ArrayMathGreedy |
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